Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-06-12
1976-01-20
Patten, James A.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2603407, 260404, 260471A, 260514R, 260519, 260520, 424279, 424282, 424319, C07D31120
Patent
active
039338592
ABSTRACT:
Process for obtaining 5,6 or 6,7 or 7,8 dihydroxy coumarin or derivatives thereof, which are useful for lower blood pressure and for chemical sympathectomy by oxidizing 2,3 or 3,4 or 4,5 dihydroxyphenyl-propionic acid or derivatives thereof, and novel coumarin derivatives of the process.
REFERENCES:
langley et al., Chem. Abstracts, Vol. 17, (1923), 85-86.
Kawai et al., Chem. Abstracts, Vol. 46, (1952), 8809f.
Langemann et al., Chem. Abstracts, Vol. 71, (1969), 22316a.
Kaiser Ado
Koch Wolfgang
Scheer Marcel
Wolcke Uwe
Gould George M.
Hoffmann-La Roche Inc.
Patten James A.
Saxe Jon S.
Welt Samuel L.
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